.not-found{
    background-color:#f0f2f5;
    height:100%;
    .left{
        height: 100%;
        background: url('./images/404.png') no-repeat center;
    }
    .right{
        padding-left: 50px;
        margin-top: 150px;
    }
    h1{
        font-size: 35px;
    }
    h2{
        margin-bottom: 20px;
        font-size: 20px;
    }
}